(1986). English 9 Elizabeth Ackley.......[et Al]. Macmillan Publishing Company.
Lua i Stíl Chicago (17ú heag.)English 9 Elizabeth Ackley.......[et Al]. Macmillan Publishing Company, 1986.
Lua MLA (8ú heag.)English 9 Elizabeth Ackley.......[et Al]. Macmillan Publishing Company, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.